125275400 has 24 divisors (see below), whose sum is σ = 291265770. Its totient is φ = 50110080.

The previous prime is 125275399. The next prime is 125275429. The reversal of 125275400 is 4572521.

It can be written as a sum of positive squares in 3 ways, for example, as 94517284 + 30758116 = 9722^2 + 5546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125275400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312989 + ... + 313388.

Almost surely, 2^125275400 is an apocalyptic number.

125275400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125275400 is an abundant number, since it is smaller than the sum of its proper divisors (165990370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125275400 is a wasteful number, since it uses less digits than its factorization.

125275400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626393 (or 626384 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 125275400 is about 11192.6493735844. The cubic root of 125275400 is about 500.3669306579.

The spelling of 125275400 in words is "one hundred twenty-five million, two hundred seventy-five thousand, four hundred".